Catalytic reactions of C3-cyclic olefins in the presence of metal complexes. 4. Ni complexes as catalysts for the [2+2]-cyclodimerization of spiro[2,3]hex-1-ene |
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| Authors: | D B Furman T Yu Rudashevskaya A V Kudryashev A O Ivanov L S Isaeva L N Morozova T A Peganova V S Bogdanov D N Kravtsov O V Bragin |
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| Institution: | (1) N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow;(2) A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow |
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| Abstract: | Ni(0), Ni(I), and Ni(II) complexes, differing in the ligand environment of the central atom, bring about di-, tri-, and oligomerization of spiro2,3]-hex-1-ene (SH). The most efficient catalyst for the 2+2]-cyclodimerization of SH is NiBr(PPh3)3, which gives virtually a single product, the SH cyclo dimer. It has been found that high conversion and selectivity in the 2+2]-cyclodimerization of SH is achieved by using organoaluminum compounds as catalysts.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 345–348, February, 1990.For previous communication, see 1]. |
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